aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/rdma/Makefile.objs2
-rw-r--r--hw/rdma/vmw/pvrdma_main.c670
-rw-r--r--hw/rdma/vmw/trace-events5
3 files changed, 676 insertions, 1 deletions
diff --git a/hw/rdma/Makefile.objs b/hw/rdma/Makefile.objs
index 44a85f687d..3504c39d21 100644
--- a/hw/rdma/Makefile.objs
+++ b/hw/rdma/Makefile.objs
@@ -1,5 +1,5 @@
ifeq ($(CONFIG_RDMA),y)
obj-$(CONFIG_PCI) += rdma_utils.o rdma_backend.o rdma_rm.o
obj-$(CONFIG_PCI) += vmw/pvrdma_dev_ring.o vmw/pvrdma_cmd.o \
- vmw/pvrdma_qp_ops.o
+ vmw/pvrdma_qp_ops.o vmw/pvrdma_main.o
endif
diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
new file mode 100644
index 0000000000..99787812ba
--- /dev/null
+++ b/hw/rdma/vmw/pvrdma_main.c
@@ -0,0 +1,670 @@
+/*
+ * QEMU paravirtual RDMA
+ *
+ * Copyright (C) 2018 Oracle
+ * Copyright (C) 2018 Red Hat Inc
+ *
+ * Authors:
+ * Yuval Shaia <yuval.shaia@oracle.com>
+ * Marcel Apfelbaum <marcel@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include <qemu/osdep.h>
+#include <qapi/error.h>
+#include <hw/hw.h>
+#include <hw/pci/pci.h>
+#include <hw/pci/pci_ids.h>
+#include <hw/pci/msi.h>
+#include <hw/pci/msix.h>
+#include <hw/qdev-core.h>
+#include <hw/qdev-properties.h>
+#include <cpu.h>
+#include "trace.h"
+
+#include "../rdma_rm.h"
+#include "../rdma_backend.h"
+#include "../rdma_utils.h"
+
+#include <infiniband/verbs.h>
+#include "pvrdma.h"
+#include <standard-headers/rdma/vmw_pvrdma-abi.h>
+#include <standard-headers/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h>
+#include "pvrdma_qp_ops.h"
+
+static Property pvrdma_dev_properties[] = {
+ DEFINE_PROP_STRING("backend-dev", PVRDMADev, backend_device_name),
+ DEFINE_PROP_UINT8("backend-port", PVRDMADev, backend_port_num, 1),
+ DEFINE_PROP_UINT8("backend-gid-idx", PVRDMADev, backend_gid_idx, 0),
+ DEFINE_PROP_UINT64("dev-caps-max-mr-size", PVRDMADev, dev_attr.max_mr_size,
+ MAX_MR_SIZE),
+ DEFINE_PROP_INT32("dev-caps-max-qp", PVRDMADev, dev_attr.max_qp, MAX_QP),
+ DEFINE_PROP_INT32("dev-caps-max-sge", PVRDMADev, dev_attr.max_sge, MAX_SGE),
+ DEFINE_PROP_INT32("dev-caps-max-cq", PVRDMADev, dev_attr.max_cq, MAX_CQ),
+ DEFINE_PROP_INT32("dev-caps-max-mr", PVRDMADev, dev_attr.max_mr, MAX_MR),
+ DEFINE_PROP_INT32("dev-caps-max-pd", PVRDMADev, dev_attr.max_pd, MAX_PD),
+ DEFINE_PROP_INT32("dev-caps-qp-rd-atom", PVRDMADev, dev_attr.max_qp_rd_atom,
+ MAX_QP_RD_ATOM),
+ DEFINE_PROP_INT32("dev-caps-max-qp-init-rd-atom", PVRDMADev,
+ dev_attr.max_qp_init_rd_atom, MAX_QP_INIT_RD_ATOM),
+ DEFINE_PROP_INT32("dev-caps-max-ah", PVRDMADev, dev_attr.max_ah, MAX_AH),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void free_dev_ring(PCIDevice *pci_dev, PvrdmaRing *ring,
+ void *ring_state)
+{
+ pvrdma_ring_free(ring);
+ rdma_pci_dma_unmap(pci_dev, ring_state, TARGET_PAGE_SIZE);
+}
+
+static int init_dev_ring(PvrdmaRing *ring, struct pvrdma_ring **ring_state,
+ const char *name, PCIDevice *pci_dev,
+ dma_addr_t dir_addr, uint32_t num_pages)
+{
+ uint64_t *dir, *tbl;
+ int rc = 0;
+
+ pr_dbg("Initializing device ring %s\n", name);
+ pr_dbg("pdir_dma=0x%llx\n", (long long unsigned int)dir_addr);
+ pr_dbg("num_pages=%d\n", num_pages);
+ dir = rdma_pci_dma_map(pci_dev, dir_addr, TARGET_PAGE_SIZE);
+ if (!dir) {
+ pr_err("Failed to map to page directory\n");
+ rc = -ENOMEM;
+ goto out;
+ }
+ tbl = rdma_pci_dma_map(pci_dev, dir[0], TARGET_PAGE_SIZE);
+ if (!tbl) {
+ pr_err("Failed to map to page table\n");
+ rc = -ENOMEM;
+ goto out_free_dir;
+ }
+
+ *ring_state = rdma_pci_dma_map(pci_dev, tbl[0], TARGET_PAGE_SIZE);
+ if (!*ring_state) {
+ pr_err("Failed to map to ring state\n");
+ rc = -ENOMEM;
+ goto out_free_tbl;
+ }
+ /* RX ring is the second */
+ (struct pvrdma_ring *)(*ring_state)++;
+ rc = pvrdma_ring_init(ring, name, pci_dev,
+ (struct pvrdma_ring *)*ring_state,
+ (num_pages - 1) * TARGET_PAGE_SIZE /
+ sizeof(struct pvrdma_cqne),
+ sizeof(struct pvrdma_cqne),
+ (dma_addr_t *)&tbl[1], (dma_addr_t)num_pages - 1);
+ if (rc) {
+ pr_err("Failed to initialize ring\n");
+ rc = -ENOMEM;
+ goto out_free_ring_state;
+ }
+
+ goto out_free_tbl;
+
+out_free_ring_state:
+ rdma_pci_dma_unmap(pci_dev, *ring_state, TARGET_PAGE_SIZE);
+
+out_free_tbl:
+ rdma_pci_dma_unmap(pci_dev, tbl, TARGET_PAGE_SIZE);
+
+out_free_dir:
+ rdma_pci_dma_unmap(pci_dev, dir, TARGET_PAGE_SIZE);
+
+out:
+ return rc;
+}
+
+static void free_dsr(PVRDMADev *dev)
+{
+ PCIDevice *pci_dev = PCI_DEVICE(dev);
+
+ if (!dev->dsr_info.dsr) {
+ return;
+ }
+
+ free_dev_ring(pci_dev, &dev->dsr_info.async,
+ dev->dsr_info.async_ring_state);
+
+ free_dev_ring(pci_dev, &dev->dsr_info.cq, dev->dsr_info.cq_ring_state);
+
+ rdma_pci_dma_unmap(pci_dev, dev->dsr_info.req,
+ sizeof(union pvrdma_cmd_req));
+
+ rdma_pci_dma_unmap(pci_dev, dev->dsr_info.rsp,
+ sizeof(union pvrdma_cmd_resp));
+
+ rdma_pci_dma_unmap(pci_dev, dev->dsr_info.dsr,
+ sizeof(struct pvrdma_device_shared_region));
+
+ dev->dsr_info.dsr = NULL;
+}
+
+static int load_dsr(PVRDMADev *dev)
+{
+ int rc = 0;
+ PCIDevice *pci_dev = PCI_DEVICE(dev);
+ DSRInfo *dsr_info;
+ struct pvrdma_device_shared_region *dsr;
+
+ free_dsr(dev);
+
+ /* Map to DSR */
+ pr_dbg("dsr_dma=0x%llx\n", (long long unsigned int)dev->dsr_info.dma);
+ dev->dsr_info.dsr = rdma_pci_dma_map(pci_dev, dev->dsr_info.dma,
+ sizeof(struct pvrdma_device_shared_region));
+ if (!dev->dsr_info.dsr) {
+ pr_err("Failed to map to DSR\n");
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ /* Shortcuts */
+ dsr_info = &dev->dsr_info;
+ dsr = dsr_info->dsr;
+
+ /* Map to command slot */
+ pr_dbg("cmd_dma=0x%llx\n", (long long unsigned int)dsr->cmd_slot_dma);
+ dsr_info->req = rdma_pci_dma_map(pci_dev, dsr->cmd_slot_dma,
+ sizeof(union pvrdma_cmd_req));
+ if (!dsr_info->req) {
+ pr_err("Failed to map to command slot address\n");
+ rc = -ENOMEM;
+ goto out_free_dsr;
+ }
+
+ /* Map to response slot */
+ pr_dbg("rsp_dma=0x%llx\n", (long long unsigned int)dsr->resp_slot_dma);
+ dsr_info->rsp = rdma_pci_dma_map(pci_dev, dsr->resp_slot_dma,
+ sizeof(union pvrdma_cmd_resp));
+ if (!dsr_info->rsp) {
+ pr_err("Failed to map to response slot address\n");
+ rc = -ENOMEM;
+ goto out_free_req;
+ }
+
+ /* Map to CQ notification ring */
+ rc = init_dev_ring(&dsr_info->cq, &dsr_info->cq_ring_state, "dev_cq",
+ pci_dev, dsr->cq_ring_pages.pdir_dma,
+ dsr->cq_ring_pages.num_pages);
+ if (rc) {
+ pr_err("Failed to map to initialize CQ ring\n");
+ rc = -ENOMEM;
+ goto out_free_rsp;
+ }
+
+ /* Map to event notification ring */
+ rc = init_dev_ring(&dsr_info->async, &dsr_info->async_ring_state,
+ "dev_async", pci_dev, dsr->async_ring_pages.pdir_dma,
+ dsr->async_ring_pages.num_pages);
+ if (rc) {
+ pr_err("Failed to map to initialize event ring\n");
+ rc = -ENOMEM;
+ goto out_free_rsp;
+ }
+
+ goto out;
+
+out_free_rsp:
+ rdma_pci_dma_unmap(pci_dev, dsr_info->rsp, sizeof(union pvrdma_cmd_resp));
+
+out_free_req:
+ rdma_pci_dma_unmap(pci_dev, dsr_info->req, sizeof(union pvrdma_cmd_req));
+
+out_free_dsr:
+ rdma_pci_dma_unmap(pci_dev, dsr_info->dsr,
+ sizeof(struct pvrdma_device_shared_region));
+ dsr_info->dsr = NULL;
+
+out:
+ return rc;
+}
+
+static void init_dsr_dev_caps(PVRDMADev *dev)
+{
+ struct pvrdma_device_shared_region *dsr;
+
+ if (dev->dsr_info.dsr == NULL) {
+ pr_err("Can't initialized DSR\n");
+ return;
+ }
+
+ dsr = dev->dsr_info.dsr;
+
+ dsr->caps.fw_ver = PVRDMA_FW_VERSION;
+ pr_dbg("fw_ver=0x%lx\n", dsr->caps.fw_ver);
+
+ dsr->caps.mode = PVRDMA_DEVICE_MODE_ROCE;
+ pr_dbg("mode=%d\n", dsr->caps.mode);
+
+ dsr->caps.gid_types |= PVRDMA_GID_TYPE_FLAG_ROCE_V1;
+ pr_dbg("gid_types=0x%x\n", dsr->caps.gid_types);
+
+ dsr->caps.max_uar = RDMA_BAR2_UAR_SIZE;
+ pr_dbg("max_uar=%d\n", dsr->caps.max_uar);
+
+ dsr->caps.max_mr_size = dev->dev_attr.max_mr_size;
+ dsr->caps.max_qp = dev->dev_attr.max_qp;
+ dsr->caps.max_qp_wr = dev->dev_attr.max_qp_wr;
+ dsr->caps.max_sge = dev->dev_attr.max_sge;
+ dsr->caps.max_cq = dev->dev_attr.max_cq;
+ dsr->caps.max_cqe = dev->dev_attr.max_cqe;
+ dsr->caps.max_mr = dev->dev_attr.max_mr;
+ dsr->caps.max_pd = dev->dev_attr.max_pd;
+ dsr->caps.max_ah = dev->dev_attr.max_ah;
+
+ dsr->caps.gid_tbl_len = MAX_GIDS;
+ pr_dbg("gid_tbl_len=%d\n", dsr->caps.gid_tbl_len);
+
+ dsr->caps.sys_image_guid = 0;
+ pr_dbg("sys_image_guid=%lx\n", dsr->caps.sys_image_guid);
+
+ dsr->caps.node_guid = cpu_to_be64(dev->node_guid);
+ pr_dbg("node_guid=%llx\n",
+ (long long unsigned int)be64_to_cpu(dsr->caps.node_guid));
+
+ dsr->caps.phys_port_cnt = MAX_PORTS;
+ pr_dbg("phys_port_cnt=%d\n", dsr->caps.phys_port_cnt);
+
+ dsr->caps.max_pkeys = MAX_PKEYS;
+ pr_dbg("max_pkeys=%d\n", dsr->caps.max_pkeys);
+
+ pr_dbg("Initialized\n");
+}
+
+static void free_ports(PVRDMADev *dev)
+{
+ int i;
+
+ for (i = 0; i < MAX_PORTS; i++) {
+ g_free(dev->rdma_dev_res.ports[i].gid_tbl);
+ }
+}
+
+static void init_ports(PVRDMADev *dev, Error **errp)
+{
+ int i;
+
+ memset(dev->rdma_dev_res.ports, 0, sizeof(dev->rdma_dev_res.ports));
+
+ for (i = 0; i < MAX_PORTS; i++) {
+ dev->rdma_dev_res.ports[i].state = PVRDMA_PORT_DOWN;
+
+ dev->rdma_dev_res.ports[i].pkey_tbl =
+ g_malloc0(sizeof(*dev->rdma_dev_res.ports[i].pkey_tbl) *
+ MAX_PORT_PKEYS);
+ }
+}
+
+static void activate_device(PVRDMADev *dev)
+{
+ set_reg_val(dev, PVRDMA_REG_ERR, 0);
+ pr_dbg("Device activated\n");
+}
+
+static int unquiesce_device(PVRDMADev *dev)
+{
+ pr_dbg("Device unquiesced\n");
+ return 0;
+}
+
+static int reset_device(PVRDMADev *dev)
+{
+ pr_dbg("Device reset complete\n");
+ return 0;
+}
+
+static uint64_t regs_read(void *opaque, hwaddr addr, unsigned size)
+{
+ PVRDMADev *dev = opaque;
+ uint32_t val;
+
+ /* pr_dbg("addr=0x%lx, size=%d\n", addr, size); */
+
+ if (get_reg_val(dev, addr, &val)) {
+ pr_dbg("Error trying to read REG value from address 0x%x\n",
+ (uint32_t)addr);
+ return -EINVAL;
+ }
+
+ trace_pvrdma_regs_read(addr, val);
+
+ return val;
+}
+
+static void regs_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+ PVRDMADev *dev = opaque;
+
+ /* pr_dbg("addr=0x%lx, val=0x%x, size=%d\n", addr, (uint32_t)val, size); */
+
+ if (set_reg_val(dev, addr, val)) {
+ pr_err("Error trying to set REG value, addr=0x%lx, val=0x%lx\n",
+ (uint64_t)addr, val);
+ return;
+ }
+
+ trace_pvrdma_regs_write(addr, val);
+
+ switch (addr) {
+ case PVRDMA_REG_DSRLOW:
+ dev->dsr_info.dma = val;
+ break;
+ case PVRDMA_REG_DSRHIGH:
+ dev->dsr_info.dma |= val << 32;
+ load_dsr(dev);
+ init_dsr_dev_caps(dev);
+ break;
+ case PVRDMA_REG_CTL:
+ switch (val) {
+ case PVRDMA_DEVICE_CTL_ACTIVATE:
+ activate_device(dev);
+ break;
+ case PVRDMA_DEVICE_CTL_UNQUIESCE:
+ unquiesce_device(dev);
+ break;
+ case PVRDMA_DEVICE_CTL_RESET:
+ reset_device(dev);
+ break;
+ }
+ break;
+ case PVRDMA_REG_IMR:
+ pr_dbg("Interrupt mask=0x%lx\n", val);
+ dev->interrupt_mask = val;
+ break;
+ case PVRDMA_REG_REQUEST:
+ if (val == 0) {
+ execute_command(dev);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static const MemoryRegionOps regs_ops = {
+ .read = regs_read,
+ .write = regs_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = sizeof(uint32_t),
+ .max_access_size = sizeof(uint32_t),
+ },
+};
+
+static void uar_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+ PVRDMADev *dev = opaque;
+
+ /* pr_dbg("addr=0x%lx, val=0x%x, size=%d\n", addr, (uint32_t)val, size); */
+
+ switch (addr & 0xFFF) { /* Mask with 0xFFF as each UC gets page */
+ case PVRDMA_UAR_QP_OFFSET:
+ pr_dbg("UAR QP command, addr=0x%x, val=0x%lx\n", (uint32_t)addr, val);
+ if (val & PVRDMA_UAR_QP_SEND) {
+ pvrdma_qp_send(dev, val & PVRDMA_UAR_HANDLE_MASK);
+ }
+ if (val & PVRDMA_UAR_QP_RECV) {
+ pvrdma_qp_recv(dev, val & PVRDMA_UAR_HANDLE_MASK);
+ }
+ break;
+ case PVRDMA_UAR_CQ_OFFSET:
+ /* pr_dbg("UAR CQ cmd, addr=0x%x, val=0x%lx\n", (uint32_t)addr, val); */
+ if (val & PVRDMA_UAR_CQ_ARM) {
+ rdma_rm_req_notify_cq(&dev->rdma_dev_res,
+ val & PVRDMA_UAR_HANDLE_MASK,
+ !!(val & PVRDMA_UAR_CQ_ARM_SOL));
+ }
+ if (val & PVRDMA_UAR_CQ_ARM_SOL) {
+ pr_dbg("UAR_CQ_ARM_SOL (%ld)\n", val & PVRDMA_UAR_HANDLE_MASK);
+ }
+ if (val & PVRDMA_UAR_CQ_POLL) {
+ pr_dbg("UAR_CQ_POLL (%ld)\n", val & PVRDMA_UAR_HANDLE_MASK);
+ pvrdma_cq_poll(&dev->rdma_dev_res, val & PVRDMA_UAR_HANDLE_MASK);
+ }
+ break;
+ default:
+ pr_err("Unsupported command, addr=0x%lx, val=0x%lx\n",
+ (uint64_t)addr, val);
+ break;
+ }
+}
+
+static const MemoryRegionOps uar_ops = {
+ .write = uar_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = sizeof(uint32_t),
+ .max_access_size = sizeof(uint32_t),
+ },
+};
+
+static void init_pci_config(PCIDevice *pdev)
+{
+ pdev->config[PCI_INTERRUPT_PIN] = 1;
+}
+
+static void init_bars(PCIDevice *pdev)
+{
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+
+ /* BAR 0 - MSI-X */
+ memory_region_init(&dev->msix, OBJECT(dev), "pvrdma-msix",
+ RDMA_BAR0_MSIX_SIZE);
+ pci_register_bar(pdev, RDMA_MSIX_BAR_IDX, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &dev->msix);
+
+ /* BAR 1 - Registers */
+ memset(&dev->regs_data, 0, sizeof(dev->regs_data));
+ memory_region_init_io(&dev->regs, OBJECT(dev), &regs_ops, dev,
+ "pvrdma-regs", RDMA_BAR1_REGS_SIZE);
+ pci_register_bar(pdev, RDMA_REG_BAR_IDX, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &dev->regs);
+
+ /* BAR 2 - UAR */
+ memset(&dev->uar_data, 0, sizeof(dev->uar_data));
+ memory_region_init_io(&dev->uar, OBJECT(dev), &uar_ops, dev, "rdma-uar",
+ RDMA_BAR2_UAR_SIZE);
+ pci_register_bar(pdev, RDMA_UAR_BAR_IDX, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &dev->uar);
+}
+
+static void init_regs(PCIDevice *pdev)
+{
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+
+ set_reg_val(dev, PVRDMA_REG_VERSION, PVRDMA_HW_VERSION);
+ set_reg_val(dev, PVRDMA_REG_ERR, 0xFFFF);
+}
+
+static void uninit_msix(PCIDevice *pdev, int used_vectors)
+{
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+ int i;
+
+ for (i = 0; i < used_vectors; i++) {
+ msix_vector_unuse(pdev, i);
+ }
+
+ msix_uninit(pdev, &dev->msix, &dev->msix);
+}
+
+static int init_msix(PCIDevice *pdev, Error **errp)
+{
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+ int i;
+ int rc;
+
+ rc = msix_init(pdev, RDMA_MAX_INTRS, &dev->msix, RDMA_MSIX_BAR_IDX,
+ RDMA_MSIX_TABLE, &dev->msix, RDMA_MSIX_BAR_IDX,
+ RDMA_MSIX_PBA, 0, NULL);
+
+ if (rc < 0) {
+ error_setg(errp, "Failed to initialize MSI-X");
+ return rc;
+ }
+
+ for (i = 0; i < RDMA_MAX_INTRS; i++) {
+ rc = msix_vector_use(PCI_DEVICE(dev), i);
+ if (rc < 0) {
+ error_setg(errp, "Fail mark MSI-X vercor %d", i);
+ uninit_msix(pdev, i);
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+static void init_dev_caps(PVRDMADev *dev)
+{
+ size_t pg_tbl_bytes = TARGET_PAGE_SIZE *
+ (TARGET_PAGE_SIZE / sizeof(uint64_t));
+ size_t wr_sz = MAX(sizeof(struct pvrdma_sq_wqe_hdr),
+ sizeof(struct pvrdma_rq_wqe_hdr));
+
+ dev->dev_attr.max_qp_wr = pg_tbl_bytes /
+ (wr_sz + sizeof(struct pvrdma_sge) * MAX_SGE) -
+ TARGET_PAGE_SIZE; /* First page is ring state */
+ pr_dbg("max_qp_wr=%d\n", dev->dev_attr.max_qp_wr);
+
+ dev->dev_attr.max_cqe = pg_tbl_bytes / sizeof(struct pvrdma_cqe) -
+ TARGET_PAGE_SIZE; /* First page is ring state */
+ pr_dbg("max_cqe=%d\n", dev->dev_attr.max_cqe);
+}
+
+static int pvrdma_check_ram_shared(Object *obj, void *opaque)
+{
+ bool *shared = opaque;
+
+ if (object_dynamic_cast(obj, "memory-backend-ram")) {
+ *shared = object_property_get_bool(obj, "share", NULL);
+ }
+
+ return 0;
+}
+
+static void pvrdma_realize(PCIDevice *pdev, Error **errp)
+{
+ int rc;
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+ Object *memdev_root;
+ bool ram_shared = false;
+
+ pr_dbg("Initializing device %s %x.%x\n", pdev->name,
+ PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
+
+ if (TARGET_PAGE_SIZE != getpagesize()) {
+ error_setg(errp, "Target page size must be the same as host page size");
+ return;
+ }
+
+ memdev_root = object_resolve_path("/objects", NULL);
+ if (memdev_root) {
+ object_child_foreach(memdev_root, pvrdma_check_ram_shared, &ram_shared);
+ }
+ if (!ram_shared) {
+ error_setg(errp, "Only shared memory backed ram is supported");
+ return;
+ }
+
+ dev->dsr_info.dsr = NULL;
+
+ init_pci_config(pdev);
+
+ init_bars(pdev);
+
+ init_regs(pdev);
+
+ init_dev_caps(dev);
+
+ rc = init_msix(pdev, errp);
+ if (rc) {
+ goto out;
+ }
+
+ rc = rdma_backend_init(&dev->backend_dev, &dev->rdma_dev_res,
+ dev->backend_device_name, dev->backend_port_num,
+ dev->backend_gid_idx, &dev->dev_attr, errp);
+ if (rc) {
+ goto out;
+ }
+
+ rc = rdma_rm_init(&dev->rdma_dev_res, &dev->dev_attr, errp);
+ if (rc) {
+ goto out;
+ }
+
+ init_ports(dev, errp);
+
+ rc = pvrdma_qp_ops_init();
+ if (rc) {
+ goto out;
+ }
+
+out:
+ if (rc) {
+ error_append_hint(errp, "Device fail to load\n");
+ }
+}
+
+static void pvrdma_exit(PCIDevice *pdev)
+{
+ PVRDMADev *dev = PVRDMA_DEV(pdev);
+
+ pr_dbg("Closing device %s %x.%x\n", pdev->name, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn));
+
+ pvrdma_qp_ops_fini();
+
+ free_ports(dev);
+
+ rdma_rm_fini(&dev->rdma_dev_res);
+
+ rdma_backend_fini(&dev->backend_dev);
+
+ free_dsr(dev);
+
+ if (msix_enabled(pdev)) {
+ uninit_msix(pdev, RDMA_MAX_INTRS);
+ }
+}
+
+static void pvrdma_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->realize = pvrdma_realize;
+ k->exit = pvrdma_exit;
+ k->vendor_id = PCI_VENDOR_ID_VMWARE;
+ k->device_id = PCI_DEVICE_ID_VMWARE_PVRDMA;
+ k->revision = 0x00;
+ k->class_id = PCI_CLASS_NETWORK_OTHER;
+
+ dc->desc = "RDMA Device";
+ dc->props = pvrdma_dev_properties;
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
+}
+
+static const TypeInfo pvrdma_info = {
+ .name = PVRDMA_HW_NAME,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(PVRDMADev),
+ .class_init = pvrdma_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+ { }
+ }
+};
+
+static void register_types(void)
+{
+ type_register_static(&pvrdma_info);
+}
+
+type_init(register_types)
diff --git a/hw/rdma/vmw/trace-events b/hw/rdma/vmw/trace-events
new file mode 100644
index 0000000000..b3f9e2b19f
--- /dev/null
+++ b/hw/rdma/vmw/trace-events
@@ -0,0 +1,5 @@
+# See docs/tracing.txt for syntax documentation.
+
+# hw/rdma/vmw/pvrdma_main.c
+pvrdma_regs_read(uint64_t addr, uint64_t val) "regs[0x%"PRIx64"] = 0x%"PRIx64
+pvrdma_regs_write(uint64_t addr, uint64_t val) "regs[0x%"PRIx64"] = 0x%"PRIx64